CVE-2026-82640: browser-use web-ui versions 2.0.0 through 3.0.0 write configured LLM API keys to disk in cleartext without encryption or access restrictions. Attackers with read access to the temporary settings di...

Added to the CISA Known Exploited Vulnerabilities catalog on 30 Aug 2026. Vendor: AI/ML. Product: LLM. CVSS score: 5.5.

browser-use web-ui versions 2.0.0 through 3.0.0 write configured LLM API keys to disk in cleartext without encryption or access restrictions. Attackers with read access to the temporary settings directory can recover provider API keys from predictably-named JSON files.

Required action: Review and patch if applicable to your AI infrastructure.